New Method Uses Coarse-Grained Optimal Transport for Rollout-Free Flow Matching Post-Training

A new paper proposes coarse-graining optimal transport couplings to enable rollout-free post-training of flow matching models, reducing velocity conflict between source and target samples.

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2026-11-02 05:00 · arXiv stat.ML
Coarse-Graining Optimal Transport for Rollout-Free Post-Training of Flow Matching

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